The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A115069 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A115069

a(n) = 3^b(n), where b(n) is #{primes p=1 mod 3 dividing n}.
(history; published version)

#18 by Michael De Vlieger at Sat Apr 30 08:21:31 EDT 2022

STATUS

reviewed

approved

#17 by Joerg Arndt at Sat Apr 30 01:40:03 EDT 2022

STATUS

proposed

reviewed

#16 by Michel Marcus at Fri Apr 29 09:04:26 EDT 2022

STATUS

editing

proposed

#15 by Michel Marcus at Fri Apr 29 09:04:22 EDT 2022

LINKS

Steven Finch and Pascal Sebah, <a href="httphttps://arXivarxiv.org/abs/math.NT/0604465">Squares and Cubes Modulo n</a>, arXiv:math/0604465 [math.NT], 2006-2016.

STATUS

proposed

editing

#14 by Amiram Eldar at Fri Apr 29 05:58:05 EDT 2022

STATUS

editing

proposed

#13 by Amiram Eldar at Fri Apr 29 05:48:24 EDT 2022

LINKS

S. R. Steven Finch and Pascal Sebah, <a href="http://arXiv.org/abs/math.NT/0604465">Squares and Cubes Modulo n</a> (, arXiv:math.NT/0604465) [math.NT], 2006-2016.

MATHEMATICA

a[1] = 1; a[n_] := 3^b[n];

#12 by Amiram Eldar at Fri Apr 29 05:47:33 EDT 2022

LINKS

Amiram Eldar, <a href="/A115069/b115069.txt">Table of n, a(n) for n = 1..10000</a>

STATUS

approved

editing

#11 by R. J. Mathar at Tue May 19 09:32:25 EDT 2020

STATUS

editing

approved

#10 by R. J. Mathar at Tue May 19 09:32:16 EDT 2020

FORMULA

a(n) = 3^A005088(n). - R. J. Mathar, May 19 2020

STATUS

approved

editing

#9 by Alois P. Heinz at Sun Feb 17 14:37:24 EST 2019

STATUS

editing

approved